2015-10-25 09:29:49 +00:00
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package eu.faircode.netguard;
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2015-11-03 17:57:29 +00:00
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/*
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This file is part of NetGuard.
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NetGuard is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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NetGuard is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with NetGuard. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2015 by Marcel Bokhorst (M66B)
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*/
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2015-11-02 21:57:24 +00:00
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import android.app.ApplicationErrorReport;
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2015-10-25 09:29:49 +00:00
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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2015-10-25 16:12:25 +00:00
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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2015-10-29 14:01:41 +00:00
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Build;
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2015-10-25 09:29:49 +00:00
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import android.os.Bundle;
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2015-10-25 18:02:33 +00:00
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import android.os.Handler;
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import android.os.Looper;
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2015-10-29 07:48:28 +00:00
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import android.os.PowerManager;
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2015-11-01 10:08:33 +00:00
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import android.telephony.TelephonyManager;
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2015-10-25 09:29:49 +00:00
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import android.util.Log;
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2015-10-25 18:02:33 +00:00
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import android.widget.Toast;
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2015-10-25 09:29:49 +00:00
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2015-10-29 14:01:41 +00:00
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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2015-11-02 21:57:24 +00:00
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import java.io.PrintWriter;
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import java.io.StringWriter;
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2015-10-31 08:11:23 +00:00
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import java.security.MessageDigest;
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2015-10-25 09:29:49 +00:00
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import java.util.Set;
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public class Util {
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public static String getSelfVersionName(Context context) {
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try {
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PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
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return pInfo.versionName;
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} catch (PackageManager.NameNotFoundException ex) {
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return ex.toString();
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}
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}
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2015-11-01 10:08:33 +00:00
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public static boolean isRoaming(Context context) {
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TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
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return tm.isNetworkRoaming();
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}
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2015-10-25 16:12:25 +00:00
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public static boolean isWifiActive(Context context) {
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ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo ni = cm.getActiveNetworkInfo();
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return (ni != null && ni.getType() == ConnectivityManager.TYPE_WIFI);
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}
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2015-11-04 12:04:27 +00:00
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public static boolean isMetered(Context context) {
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ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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2015-11-08 22:23:53 +00:00
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return cm.isActiveNetworkMetered();
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2015-11-04 12:04:27 +00:00
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}
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2015-10-29 07:48:28 +00:00
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public static boolean isInteractive(Context context) {
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PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
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return pm.isInteractive();
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}
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2015-10-30 11:23:05 +00:00
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public static boolean isPackageInstalled(String packageName, Context context) {
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try {
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2015-11-03 09:42:55 +00:00
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context.getPackageManager().getPackageInfo(packageName, 0);
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return true;
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2015-10-30 11:23:05 +00:00
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} catch (PackageManager.NameNotFoundException ignored) {
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return false;
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}
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}
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2015-10-25 18:02:33 +00:00
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public static void toast(final String text, final int length, final Context context) {
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new Handler(Looper.getMainLooper()).post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(context, text, length).show();
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}
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});
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}
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2015-10-31 08:11:23 +00:00
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public static boolean hasValidFingerprint(String tag, Context context) {
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try {
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PackageManager pm = context.getPackageManager();
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String pkg = context.getPackageName();
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PackageInfo info = pm.getPackageInfo(pkg, PackageManager.GET_SIGNATURES);
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byte[] cert = info.signatures[0].toByteArray();
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MessageDigest digest = MessageDigest.getInstance("SHA1");
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byte[] bytes = digest.digest(cert);
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < bytes.length; ++i)
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sb.append(Integer.toString(bytes[i] & 0xff, 16).toLowerCase());
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String calculated = sb.toString();
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String expected = context.getString(R.string.fingerprint);
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return calculated.equals(expected);
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} catch (Throwable ex) {
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Log.e(tag, ex.toString() + "\n" + Log.getStackTraceString(ex));
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return false;
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}
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}
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2015-10-25 09:29:49 +00:00
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public static void logExtras(String tag, Intent intent) {
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2015-11-02 12:44:22 +00:00
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if (intent != null)
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logBundle(tag, intent.getExtras());
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2015-10-25 09:29:49 +00:00
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}
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public static void logBundle(String tag, Bundle data) {
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if (data != null) {
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Set<String> keys = data.keySet();
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StringBuilder stringBuilder = new StringBuilder();
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2015-11-08 09:14:56 +00:00
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for (String key : keys) {
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Object value = data.get(key);
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2015-11-08 18:31:55 +00:00
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stringBuilder.append(key)
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.append("=")
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.append(value)
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.append(value == null ? "" : " (" + value.getClass().getName() + ")")
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.append("\r\n");
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2015-11-08 09:14:56 +00:00
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}
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2015-10-25 09:29:49 +00:00
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Log.d(tag, stringBuilder.toString());
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}
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}
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2015-10-29 14:01:41 +00:00
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2015-11-02 21:57:24 +00:00
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public static void sendCrashReport(Throwable ex, Context context) {
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ApplicationErrorReport report = new ApplicationErrorReport();
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report.packageName = report.processName = context.getPackageName();
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report.time = System.currentTimeMillis();
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report.type = ApplicationErrorReport.TYPE_CRASH;
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report.systemApp = false;
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ApplicationErrorReport.CrashInfo crash = new ApplicationErrorReport.CrashInfo();
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crash.exceptionClassName = ex.getClass().getSimpleName();
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crash.exceptionMessage = ex.getMessage();
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StringWriter writer = new StringWriter();
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PrintWriter printer = new PrintWriter(writer);
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ex.printStackTrace(printer);
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crash.stackTrace = writer.toString();
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StackTraceElement stack = ex.getStackTrace()[0];
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crash.throwClassName = stack.getClassName();
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crash.throwFileName = stack.getFileName();
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crash.throwLineNumber = stack.getLineNumber();
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crash.throwMethodName = stack.getMethodName();
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report.crashInfo = crash;
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Intent intent = new Intent(Intent.ACTION_APP_ERROR);
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intent.putExtra(Intent.EXTRA_BUG_REPORT, report);
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context.startActivity(intent);
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}
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2015-10-29 14:01:41 +00:00
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public static void sendLogcat(final String tag, final Context context) {
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AsyncTask task = new AsyncTask<Object, Object, Intent>() {
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@Override
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protected Intent doInBackground(Object... objects) {
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2015-11-03 18:02:15 +00:00
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PackageInfo pInfo;
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2015-10-29 14:01:41 +00:00
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try {
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pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
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} catch (PackageManager.NameNotFoundException ex) {
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Log.e(tag, ex.toString() + "\n" + Log.getStackTraceString(ex));
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return null;
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}
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StringBuilder sb = new StringBuilder();
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sb.insert(0, "\r\n");
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sb.insert(0, "Please decribe your problem:\r\n");
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sb.insert(0, "\r\n");
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2015-10-30 11:23:05 +00:00
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sb.insert(0, String.format("VPN dialogs: %b\r\n", isPackageInstalled("com.android.vpndialogs", context)));
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2015-10-29 14:01:41 +00:00
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sb.insert(0, String.format("Id: %s\r\n", Build.ID));
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sb.insert(0, String.format("Display: %s\r\n", Build.DISPLAY));
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sb.insert(0, String.format("Host: %s\r\n", Build.HOST));
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sb.insert(0, String.format("Device: %s\r\n", Build.DEVICE));
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sb.insert(0, String.format("Product: %s\r\n", Build.PRODUCT));
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sb.insert(0, String.format("Model: %s\r\n", Build.MODEL));
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sb.insert(0, String.format("Manufacturer: %s\r\n", Build.MANUFACTURER));
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sb.insert(0, String.format("Brand: %s\r\n", Build.BRAND));
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sb.insert(0, "\r\n");
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sb.insert(0, String.format("Android: %s (SDK %d)\r\n", Build.VERSION.RELEASE, Build.VERSION.SDK_INT));
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sb.insert(0, String.format("NetGuard: %s\r\n", pInfo.versionName + "/" + pInfo.versionCode));
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Intent sendEmail = new Intent(Intent.ACTION_SEND);
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sendEmail.setType("message/rfc822");
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sendEmail.putExtra(Intent.EXTRA_EMAIL, new String[]{"marcel+netguard@faircode.eu"});
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sendEmail.putExtra(Intent.EXTRA_SUBJECT, "NetGuard " + pInfo.versionName + " logcat");
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sendEmail.putExtra(Intent.EXTRA_TEXT, sb.toString());
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File logcatFolder = context.getExternalCacheDir();
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logcatFolder.mkdirs();
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File logcatFile = new File(logcatFolder, "logcat.txt");
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Log.i(tag, "Writing " + logcatFile);
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FileOutputStream fos = null;
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try {
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fos = new FileOutputStream(logcatFile);
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fos.write(getLogcat(tag).toString().getBytes());
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} catch (Throwable ex) {
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Log.e(tag, ex.toString() + "\n" + Log.getStackTraceString(ex));
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} finally {
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if (fos != null)
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try {
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fos.close();
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} catch (IOException ignored) {
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}
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}
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logcatFile.setReadable(true);
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sendEmail.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(logcatFile));
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return sendEmail;
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}
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@Override
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protected void onPostExecute(Intent sendEmail) {
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if (sendEmail != null)
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try {
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context.startActivity(sendEmail);
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} catch (Throwable ex) {
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Log.e(tag, ex.toString() + "\n" + Log.getStackTraceString(ex));
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}
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}
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};
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task.execute();
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}
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private static StringBuilder getLogcat(String tag) {
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String pid = Integer.toString(android.os.Process.myPid());
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StringBuilder builder = new StringBuilder();
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try {
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String[] command = new String[]{"logcat", "-d", "-v", "threadtime"};
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Process process = Runtime.getRuntime().exec(command);
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BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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String line;
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while ((line = bufferedReader.readLine()) != null)
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if (line.contains(pid)) {
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builder.append(line);
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builder.append("\r\n");
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}
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} catch (IOException ex) {
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Log.e(tag, ex.toString() + "\n" + Log.getStackTraceString(ex));
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}
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return builder;
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}
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2015-10-25 09:29:49 +00:00
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}
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